139836520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{34613}}^1$

素因数の和:34725

約数の個数: 32

約数和(自身を含む): 317756520

約数和(自身を除く): 177920000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 34613, 69226, 138452, 173065, 276904, 346130, 692260, 1384520, 3495913, 6991826, 13983652, 17479565, 27967304, 34959130, 69918260, 139836520]

約数ペア:

[(1, 139836520), (2, 69918260), (4, 34959130), (5, 27967304), (8, 17479565), (10, 13983652), (20, 6991826), (40, 3495913), (101, 1384520), (202, 692260), (404, 346130), (505, 276904), (808, 173065), (1010, 138452), (2020, 69226), (4040, 34613)]